Finding the Fourth Proportional to 1,218,276.14, 1,681,234.37 and 674,421
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Solution
The fourth proportional to 1,218,276.14, 1,681,234.37 and 674,421 is: 930,708.34
Step by Step Solution
- Step 1: Write the proportion equation
1,218,276.14 : 1,681,234.37 = 674,421 : x - Step 2: Convert to fraction form
1,218,276.14/1,681,234.37 = 674,421/x - Step 3: Cross multiply
1,218,276.14x = 1,681,234.37 × 674,421 - Step 4: Simplify right side
1,218,276.14x = 1,133,859,761,677.67 - Step 5: Solve for x
x = 1,133,859,761,677.67/1,218,276.14 - Step 6: Final answer
x = 930,708.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.